On the occasion of constructing my 100th mandolin, I decided to create a new model in honor of the.Oliver Apitius. Models, prices, construction photos, artist discography. Shelburne, Ontario Canada.Oliver Apitius mandolins are sold worldwide at Twelfth Fret, Toronto Ontario Canada.Our focus is still used and vintage instruments and we are actively buying any good quality guitars, banjos, mandolins and ukuleles by major American makers. Please.Mandolins Electronic Tuners, Metronomes & Batteries; Mandolins Humidifiers & Hygrometers. These "Grand Classic" models from Oliver Apitius have lots of nice upgrades over his.